Desk



FIG. 1 is a top perspective view of a desk showing my new design;

FIG. 2 is a front plan view thereof;

FIG. 3 is a left side view thereof, the opposite side view being a mirror image thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a bottom perspective view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a “desk,” as shown and described. 